package test6;

class Sub extends Base {

    private int z;

    public Sub(int x ,int y,int z) {
        super(x,y);
        this.z = z;
        calculate();
        //write your code here
    }

    public int getZ() {
        return z;
    }

    public int calculate() {
        return super.getX() * super.getY() * this.getZ();
    }

}
